You can:

Users

• get user: GET http://localhost:3000/users/:userId
• create user: POST http://localhost:3000/sign-up
  • example body:

{
    "fname": "User1",
    "lname": "Userov1",
    "email": "ddsa@mail.ru44",
    "isAdmin": true,
    "categoryId": 2,
    "password": "4444"
}

• delete user: DEL http://localhost:3000/users
  • example body:

{
   "userId": 43
}

• get all users: GET http://localhost:3000/users/
• sign in (authorization by jwt tokens): POST http://localhost:3000/sign-in
  • example body:

{
    "email": "ddsa@mail.ru44",
    "password": "4444"
}

• get profile (need accessToken in "Authorization" field in Headers): GET http://localhost:3000/users/profile
• refresh token: GET (need refreshToken in "Authorization" field in Headers): GET http://localhost:3000/refresh/token
• get all users from category by id: POST http://localhost:3000/users/category-name
  • example body:

{
    "categoryId": 2
}

• get all users from category by name: POST http://localhost:3000/users/category-id
  • example body:

{
    "categoryName": "Junior"
}

Categories

• get category: GET http://localhost:3000/categories/:categoryId
• create category: http://localhost:3000/categories
  • example body:

{
    "name": "Trainee"
}

• get all categories: GET http://localhost:3000/categories
• delete category: DEL http://localhost:3000/categories